How to reduce ESD interference in PCB design process
in the design of PCB board, PCB anti-ESD design can be realized by layering, proper layout and wiring and installation. The PCB layout and wiring can be adjusted to prevent ESD.
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Reasons for indented design of GND layer and power layer in multi-layer PCB design
Only under certain conditions can the 20H principle have obvious effects. 1. The power plane shall be located inside the PCB, and the upper and lower layers adjacent to it shall be 0V planes, and the distance between the two 0V planes shall be at least 20
What is the meaning of "false eight layers" in PCB design?
The difference between them is that the core is thinner, the pp sheets of one or two layers and five or six layers are thinner, and there is a core board between the core board and the core board without copper foil on both sides, so generally this kind o
PCB design requirements for screen printing design
The characteristics of the gold process: the copper on the circuit board is mainly copper, copper solder in the air is easy to be oxidized, which will cause the electrical conductivity is to eat tin bad or bad contact, reduce the performance of the circui
Common wiring rules for PCB design
The function of PCB design discharge teeth: in surge testing or ESD testing, the two ends of the common-mode inductor will produce high voltage, there will be a flying arc, if the distance is close to the surrounding devices, it may cause damage to the su
Soft and hard PCB design points
Soft and hard combined board PCB design points: 1, flexible area line design requirements, 2, dimensional stability, 3, covering film window design, 4, rigid flexible transition zone design, 5, flexible zone design with air-gap requirements
PCB design and manufacturing guide
Surface mount technology is very convenient in the manufacture of many PCBS. Reliable and fast professional tools handle installation to ensure that there is no room for human error while speeding up the process.
How does PCB design handle signals across dividers?
Common treatment methods are added sewing capacitor and bridge :1, sewing capacitor, 2, bridge, 3, multi-layer wiring, 4, lead bending less, the better, 5, the shorter the better, 6, lead layer alternating less, the better, 7, pay attention to parallel cr
From the welding point of view, what problems should be paid attention to in PCB design?
There are the following factors affecting PCB welding quality: PCB diagram, circuit board quality, device quality, device pin oxidation degree, solder paste quality, solder paste printing quality, placement machine programming accuracy, placement machine
Should PCB design remove dead copper?
PCB design service process: 1. The customer provides schematic diagram to consult PCB design; 2. 2. Evaluate quotation according to schematic diagram and customer design requirements;3. The customer confirms the quotation, signs the contract and pays the
Multilayer PCB design
The following operations will be carried out in the maintenance technology: 1, inspection of components, 2, welding state analysis, 3, detection of components direction, 4, tool inspection of components, 5, power-on test
The 20H principle in PCB design
Because the wider the printed line is, the smaller the inductance is, the lead line from the pad to the hole should be widened as far as possible, and the width of the pad should be the same as far as possible. In this way, even the capacitance of 0402 pa
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